Boros Mastiff (DGM) from Dragon's Maze, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Kev Walker
• Card Text:
  Battalion — Whenever Boros Mastiff and at least two other creatures attack, Boros Mastiff gains lifelink until end of turn. (Damage dealt by a creature with lifelink also causes its controller to gain that much life.)